package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.OrderDetail;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {


    /*
    *
    * 动态条件查询购物车数据
    * 为什么：有可能是套餐也有可能是菜品，菜品的口味也不一样
    *
    * */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     * @param product
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void update(ShoppingCart product);

    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
            "VALUES(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime}) ")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户Id清空购物车
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanAll(Long userId);

    /**
     * 动态删除单条商品数据
     * @param cart
     */
    void delete(ShoppingCart cart);

    /**
     * 批量添加
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
